﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace InterfaceType
{
    class Program
    {
        static void Main(string[] args)
        {
            Animals animals = new Animals();
            animals.Roar();

            Cat cat = new Cat();

            Dog dog = new Dog();

            cat.Roar();
            dog.Roar();

        }
    }
}
